A fast-paced, futuristic FPS with RTS elements, pitting technologically advanced humans against hordes of highly adaptable aliens.
An open-source, cross-platform game engine designed for everyone - it's extensible, fast and easy to learn.
An open-source re-implementation of RollerCoaster Tycoon 2 (RCT2), expanding the game with new features, fixing bugs and raising game limits.
Speed Dreams is a Motorsport Simulator featuring high-quality 3D graphics and an accurate physics engine that aims to represent realism driving.
A business simulation game in which players try to earn money via transporting passengers and freight by road, rail, water and air.
A free, open source cross-platform flight simulator developed by the FlightGear project since 1997.
A 2D and 3D, cross-platform, free and open-source game engine released under the MIT license.
A free, open-source sandbox game heavily inspired by the popular Minecraft game. It gradually became a platform for all sorts of gameplay settings in a voxel world.